Lub grounding ntawm ob sab ntawm lub voltage transformer thiab tam sim no transformer belongs rau cov kev tiv thaiv grounding.
Vim hais tias yog lub rwb thaiv tsev ntawm lub hauv paus thiab theem nrab sab yog puas, lub siab voltage ntawm thawj sab yuav tsum tau txuas mus rau lub thib ob sab, uas yuav hem kev nyab xeeb ntawm cov neeg thiab cov khoom siv, yog li ntawd lub thib ob sab yuav tsum tau grounded.
